Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Handling Data 2
18 practice questions
Practice questions
1–10 of 18
Question 1
2 marks · Easy
Answer and see the solution →The table shows the scores obtained by students in a quick science quiz.
Score (x) Frequency (f) 1 3 2 6 3 7 4 4 (a)[2 marks]Work out the mean score.
Question 2
2 marks · Easy
Answer and see the solution →The heights, in metres, of a random sample of 12 plants are grouped as shown.
Heights of plants Height (h, m) Frequency 0.5 ≤ h < 1.0 2 1.0 ≤ h < 1.5 6 1.5 ≤ h < 2.0 4 (a)[1 mark]Write down the modal class.
(b)[1 mark]What is the group containing the median height?
Question 3
2 marks · Easy
Answer and see the solution →The incomplete frequency table shows the number of books read by students in a month.
Number of books (x) Frequency (f) 0 4 1 9 2 ? 3 7 (a)[1 mark]If 25 students were surveyed, work out the missing frequency.
(b)[1 mark]Write down the mode.
Question 4
2 marks · Easy
Answer and see the solution →The table shows the number of books read by each of 15 students in a month.
Number of books read (x) Frequency (f) 0 1 1 5 2 4 3 3 4 2 (a)[2 marks]Work out the mean number of books read.
Question 5
3 marks · Easy
Answer and see the solution →A group of 50 people were asked how many cups of tea they drink in a day. The information is recorded in the grouped frequency table below.
Cups of tea per day Frequency 0–1 5 2–3 18 4–5 20 6–7 7 (a)[3 marks]Estimate the mean number of cups of tea per day. Give your answer to 2 decimal places.
Question 6
2 marks · Easy
Answer and see the solution →A coin is tossed and a 6-sided die is rolled. List all the possible outcomes of these two events.
Question 7
3 marks · Normal
Answer and see the solution →A botanist records the heights (h, in cm) of a random sample of ferns as shown in the grouped frequency table below:
Heights of ferns Height range (cm) Frequency 10 ≤ h < 15 4 15 ≤ h < 20 6 20 ≤ h < 25 11 25 ≤ h < 30 5 30 ≤ h < 35 2 Estimate the mean height of the ferns. Show your working.
Question 8
4 marks · Normal
Answer and see the solution →The frequency table shows the weights of 30 small packages.
(a)Weights of Packages Weight (w, g) Frequency 20 ≤ w < 30 8 30 ≤ w < 40 15 40 ≤ w < 50 7 (i)[1 mark]Write down the modal class.
(ii)[2 marks]Calculate an estimate of the mean weight of these packages.
(iii)[1 mark]Find the class where the median weight lies.
Question 9
2 marks · Normal
Answer and see the solution →A spinner is spun twice. The outcomes for each spin are shown below:
First and Second Spin Outcomes First spin Second spin A A A B B A B B List all the possible outcomes of the two spins.
Question 10
2 marks · Normal
Answer and see the solution →In a class, the numbers of pets owned by each of 12 students are found:
0, 1, 0, 2, 3, 2, 1, 2, 2, 1, 3, 2
Write down the mode of the data.